enharmonic modulation

21 LETTERS · STARTS WITH E

enharmonic modulation is a valid 21-letter word worth 30 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1N1H4A1R1M3O1N1I1C3M3O1D2U1L1A1T1I1O1N1

1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 0 + 3 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does enharmonic modulation mean?